328936237 has 4 divisors (see below), whose sum is σ = 375927136. Its totient is φ = 281945340.

The previous prime is 328936229. The next prime is 328936243. The reversal of 328936237 is 732639823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 732639823 = 613 ⋅1195171.

It is a cyclic number.

It is not a de Polignac number, because 328936237 - 2³ = 328936229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328936193 and 328936202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328936337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23495439 + ... + 23495452.

It is an arithmetic number, because the mean of its divisors is an integer number (93981784).

Almost surely, 2^328936237 is an apocalyptic number.

It is an amenable number.

328936237 is a deficient number, since it is larger than the sum of its proper divisors (46990899).

328936237 is an equidigital number, since it uses as much as digits as its factorization.

328936237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46990898.

The product of its digits is 326592, while the sum is 43.

The square root of 328936237 is about 18136.5993780532. The cubic root of 328936237 is about 690.2989931539.

The spelling of 328936237 in words is "three hundred twenty-eight million, nine hundred thirty-six thousand, two hundred thirty-seven".